Use wildcards in tag values to retrieve multiple series from the server instead of defining separate series for each tag in the widget configuration.
* wildcard as either
tag value or
[series] entity = nurswgvml007 metric = disk_used_percent [tags] mount_point = *
Reference wildcard series from derived series using an
Wildcard series are supported in all widgets including Bar Charts which provide a multiple-column setting to place derived series with the same entity and tags into separate columns.